
Приветствую!
Продолжу серию статей про программирование. На этот раз, я хочу рассказать о написанном мной бесплатном профайлере для Entity Framework-а ( далее EF) c 4-й по 6-ю версию, а также о некоторых примененных мной решениях, таких как декомпилирование .NET кода на лету, форма для обработки исключений и прочее.
Nuget пакет для EF6: https://www.nuget.org/packages/EFlogger-For6/
Nuget пакет для EF4 — 5: https://www.nuget.org/packages/EFlogger-For4/
Подробности под катом.
Введение
Когда я начинал изучение EF, передо мной стал вопрос в профилировании запросов которые генерирует EF. После некоторого поиска я с неудовольствием обнаружил, что штатных средств EF не предоставляет, соответственно, приходилось пользоваться, на мой взгляд, крайне неудобной в использовании программой SQL Server Profiler или купить достаточно дорогой сторонний инструмент Entity Framework Profiler 2.0, за $389.00,
С появлением EF версии 6, ситуация с логированием команд изменилась. Появился механизм, который позволяет добавить свой интерцептор:
//Регистрируем при старте программы свой IDbCommandInterceptor
DbInterception.Add(new LogFormatter());
public class LogFormatter : IDbCommandInterceptor
{
private readonly Stopwatch _stopwatch = new Stopwatch();
public void NonQueryExecuting(DbCommand command, DbCommandInterceptionContext<int> interceptionContext)
{
// Перезапускам таймер
_stopwatch.Restart();
}
public void NonQueryExecuted(DbCommand command, DbCommandInterceptionContext<int> interceptionContext)
{
// Останавливаем таймер
_stopwatch.Stop();
// Логируем команду
Log(command, interceptionContext);
}
public void ReaderExecuting(DbCommand command, DbCommandInterceptionContext<DbDataReader> interceptionContext)
{
_stopwatch.Restart();
}
public void ReaderExecuted(DbCommand command, DbCommandInterceptionContext<DbDataReader> interceptionContext)
{
_stopwatch.Stop();
Log(command, interceptionContext);
}
public void ScalarExecuting(DbCommand command, DbCommandInterceptionContext<object> interceptionContext)
{
_stopwatch.Restart();
}
public void ScalarExecuted(DbCommand command, DbCommandInterceptionContext<object> interceptionContext)
{
_stopwatch.Stop();
Log(command, interceptionContext);
}
private void Log<TResult>(DbCommand command, DbCommandInterceptionContext<TResult> interceptionContext)
{
Logger.Log(command, _stopwatch.ElapsedMilliseconds, interceptionContext.Exception);
}
}
public static class Logger
{
public static void Log(DbCommand command, long elapsedMilliseconds, Exception exception)
{
// Выводим в Trace команду
Trace.WriteLine(string.Format("Command:{0}, Elapsed Milliseconds:{1}", command.CommandText, elapsedMilliseconds));
}
}
Для 4-й версии EF похожего механизма логирования я не нашел.
Мое решение
Идею написать свой профайлер, повторяющий функционал платного, я вынашивал достаточно долго. Первоначальная версия базировалась на механизме интерцепторов EF 6-й версии, но к сожалению в EF 4-й версии этот механизм не работает.
После недолгого гугления, была найдена отличная библиотека для профилировки EF в ASP MVC приложениях, под названием MiniProfiler . На его основе и было решено сделать свое приложения.
Что получилось
Система получилась максимально простой для использования и интеграции. Забрать бинарники с примером проекта можно на созданном мной сайте на wordpress-e http://ef-logger.com/
Nuget пакет для EF6: https://www.nuget.org/packages/EFlogger-For6/
Главное окно приложения:

Использование
1. Забрать архив с бинарниками и примером проекта

2. Подключить библиотеку EFlogger.EntityFramework4.dll для EF 4-5 версии и EFlogger.EntityFramework6.dll для EF 6-й версии
3. Инициализировать профайлер путем выполнения статического метода
// Для EF 6-й версии
EFloggerFor6.Initialize();
// или для EF с 4-й по 6-ю
EFloggerFor4.Initialize();
4. Запустить приложение EFlogger.exe
API
Пример для библиотеки EFlogger.EntityFramework6.dl, в случае использования EFlogger.EntityFramework4.dl статический класс будет назваться EFloggerFor4
//Инициализация
EFloggerFor6.Initialize();
// Задает IP профалера в случаях его отличие от "127.0.0.1"
EFloggerFor6.SetProfilerClientIP(“192.168.10.50″);
// Посылает текстовое сообщение в профайлер
EFloggerFor6.WriteMessage(“Text message”);
// Стартует посылку логов профайлер (уже запущен по умолчанию после инициализации)
EFloggerFor6.StartSendToClient();
// Останавливает посылку логов профайлер
EFloggerFor6.StopSendToClient();
// Стартует логирование в файл EFlogger.log приложения
EFloggerFor6.StartSaveToLogFile();
// Останавливает логирование в файл EFlogger.log приложения
EFloggerFor6.StopSaveToLogFile();
//Очищает лог в профайлере и удаляет файл лога, если включен
EFloggerFor6.ClearLog();
// Отключает декомпиляцию кода
EFloggerFor6.DisableDecompiling();
// Добавляет сборку для игнорирования при построении Stack Trace-a
EFloggerFor6.ExcludeAssembly(“MyAssemly”);
Как это все работает
Механизм внедрения в EF 4-й версии сильно отличается от EF 6-й версии.
Штатные механизмов подмены DbProviderFactory в EF 4 отсутствуют, поэтому приходится идти на подмену штатной фабрики на свою через рефлекцию.
Сам процесс выглядит так:
// проверяем что все фабрики загруженны
DbProviderFactories.GetFactoryClasses();
// получаем тип DbProviderFactories
Type type = typeof(DbProviderFactories);
DataTable table = null;
//получаем значение DataSet статического поля _configTable или _providerTable
object setOrTable = (type.GetField("_configTable", BindingFlags.NonPublic | BindingFlags.Static) ??
type.GetField("_providerTable", BindingFlags.NonPublic | BindingFlags.Static)).GetValue(null);
var set = setOrTable as DataSet;
if (set != null)
table = set.Tables["DbProviderFactories"];
table = (DataTable)setOrTable;
// для каждой записи в DataTable подставляем свою фабрику
foreach (DataRow row in table.Rows.Cast<DataRow>().ToList())
{
DbProviderFactory factory;
try
{
factory = DbProviderFactories.GetFactory(row);
}
catch (Exception)
{
continue;
}
var profType = EFProviderUtilities.ResolveFactoryType(factory.GetType());
if (profType != null)
{
DataRow profiled = table.NewRow();
profiled["Name"] = row["Name"];
profiled["Description"] = row["Description"];
profiled["InvariantName"] = row["InvariantName"];
profiled["AssemblyQualifiedName"] = profType.AssemblyQualifiedName;
table.Rows.Remove(row);
table.Rows.Add(profiled);
}
}
Для интеграции в EF 6-й версии можно воспользоваться штатным механизмом подстановки сервисов:
DbConfiguration.Loaded += (_, a) => a.ReplaceService<DbProviderServices>((s, k) => new EFProfiledDbProviderServices());
Декомпиляция
EFlogger на лету декомпелирует код и отображает тело метода, который сгенерировал тот или иной запрос. Для этого используются библиотеки из бесплатного аналога рефлектора ILSpy. Чтобы декомпировать метод нужно его сначала найти поднявшись по Stack Trace и исключить лишние вызовы сторонних библиотек:
public static string Get(out StackFrame outStackFrame)
{
outStackFrame = null;
var frames = new StackTrace(0, true).GetFrames();
if (frames == null)
{
return "";
}
var methods = new List<string>();
// проходим по всем фреймам
foreach (StackFrame t in frames)
{
// получаем метод
var method = t.GetMethod();
// получаем сборку и проверяем нужно ли ее пропустить
var assembly = method.Module.Assembly.GetName().Name;
if (ShouldExcludeType(method) || AssembliesToExclude.Contains(assembly) ||
MethodsToExclude.Contains(method.Name))
continue;
// находим первый по стеку фрейм и считаем что именно он сгенерировал команду, если нет нужно добавить имя сборки в список на пропуск
if (outStackFrame == null)
{
outStackFrame = t;
}
methods.Add(method.DeclaringType.FullName + ":" + method.Name);
}
return string.Join("\r\n", methods);
}
private static string GetMethodBody(StackFrame stackFrame)
{
MethodBase methodBase = stackFrame.GetMethod();
return Decompiler.GetSourceCode(methodBase.Module.FullyQualifiedName, methodBase.DeclaringType.Name, methodBase.Name);
}
Decompiler
using System;
using System.IO;
using System.Linq;
using ICSharpCode.Decompiler;
using ICSharpCode.Decompiler.Ast;
using ICSharpCode.Decompiler.Ast.Transforms;
using Mono.Cecil;
namespace Common
{
public static class Decompiler
{
public static string GetSourceCode(string pathToAssembly, string className, string methodName)
{
try
{
var assemblyDefinition = AssemblyDefinition.ReadAssembly(pathToAssembly);
TypeDefinition assembleDefenition = assemblyDefinition.MainModule.Types.First(type => type.Name == className);
MethodDefinition methodDefinition = assembleDefenition.Methods.First(method => method.Name == methodName);
var output = new StringWriter();
var plainTextOutput = new PlainTextOutput(output);
DecompileMethod(methodDefinition, plainTextOutput);
return output.ToString();
}
catch (Exception exception)
{
return string.Format( "Exception in decompling. \r\n Message:{0}, \r\n Inner Exception:{1}, \r\n StackTrace:{2}",exception.Message, exception.InnerException, exception.StackTrace);
}
}
private static void DecompileMethod(MethodDefinition method, ITextOutput output)
{
AstBuilder codeDomBuilder = CreateAstBuilder(currentType: method.DeclaringType, isSingleMember: true);
if (method.IsConstructor && !method.IsStatic && !method.DeclaringType.IsValueType)
{
AddFieldsAndCtors(codeDomBuilder, method.DeclaringType, method.IsStatic);
RunTransformsAndGenerateCode(codeDomBuilder, output);
}
else
{
codeDomBuilder.AddMethod(method);
RunTransformsAndGenerateCode(codeDomBuilder, output);
}
}
private static AstBuilder CreateAstBuilder(ModuleDefinition currentModule = null, TypeDefinition currentType = null, bool isSingleMember = false)
{
if (currentModule == null)
currentModule = currentType.Module;
var settings = new DecompilerSettings();
if (isSingleMember)
{
settings = settings.Clone();
settings.UsingDeclarations = false;
}
return new AstBuilder(
new DecompilerContext(currentModule)
{
CurrentType = currentType,
Settings = settings
});
}
private static void AddFieldsAndCtors(AstBuilder codeDomBuilder, TypeDefinition declaringType, bool isStatic)
{
foreach (var field in declaringType.Fields)
{
if (field.IsStatic == isStatic)
codeDomBuilder.AddField(field);
}
foreach (var ctor in declaringType.Methods)
{
if (ctor.IsConstructor && ctor.IsStatic == isStatic)
codeDomBuilder.AddMethod(ctor);
}
}
private static void RunTransformsAndGenerateCode(AstBuilder astBuilder, ITextOutput output, IAstTransform additionalTransform = null)
{
astBuilder.GenerateCode(output);
}
}
}
Пример рабочего проекта декомпиляции на яндекс файлах: yadi.sk/d/AzBGet5-Nwns2
Окно обработки исключительной ситуации
Ни для кого не секрет, что приложения периодически падают, это может произойти по самым разным причинам и задача разработчика показать какое-то вменяемое окно для сообщения об ошибке.
Мой вариант формы выглядит так:

Форма предлагает пользователю добавить информацию об ошибке, шаги для воспроизведения и свой email для ответа.
При нажатии на кнопку Отправить, на почту разработчику приходить письмо со всеми данными.
[STAThread]
[STAThread]
static void Main()
{
SetupLogger();
// если дебагер не подключен
if (!Debugger.IsAttached)
{
// отлавливаем все необработанные ошибки
Application.ThreadException += (sender, e) => HandleError(e.Exception);
AppDomain.CurrentDomain.UnhandledException += (sender, e) => HandleError((Exception)e.ExceptionObject);
}
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new MainForm());
}
private static void HandleError(Exception exception)
{
try
{
// запускаем контроллер формы обернутый try/catch на случай если в контроллере тоже произойдет ошибка
new ErrorHandlerController(exception).Run();
}
catch (Exception e)
{
MessageBox.Show("Error processing exception. Please send log file EFlogger.log to developer: " + Settings.Default.ProgrammerEmail + " \r\n Exception:" + e);
// записываем ошибку в лог файл
Logger.Error(e);
if (MessageBox.Show("Attach debugger? \n Only for developer!!!", "Debugging...", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
{
Debugger.Launch();
throw;
}
}
finally
{
// обязательно принудительно завершаем приложение чтобы Windows не отображала стандартное окно ошибки приложения
Environment.Exit(1);
}
}
//new ErrorHandlerController(exception).Run();
public void Run()
{
// формируем текст ошибки
string exceptionInfoText = string.Format(
"An unexpected error occurred: {0}" + Environment.NewLine +
"Time: {1} " + Environment.NewLine +
"{2}" + Environment.NewLine +
"InnerException: \n {3}" + Environment.NewLine +
"InnerException StackTrace: \n {4}" + Environment.NewLine,
_exception.Message,
DateTime.Now,
_exception,
_exception.InnerException,
_exception.InnerException != null
? _exception.InnerException.StackTrace
: string.Empty
);
// записываем ошибку с лог файл
Program.Logger.Error(exceptionInfoText);
_view.ExceptionInfoText = exceptionInfoText;
// показываем форму, вызвав метод ShowDialog, в противном случае покажется стандартное окно ошибки приложения
_view.ShowDialog();
}
Пример рабочего проекта с формой обработки ошибок можете забрать на яндекс файлах: yadi.sk/d/7y4i_cz7NwtE3
Сетевое взаимодействие
Подробности прокола сетевого взаимодействия между подключаемой библиотекой и профайлером вы можете прочитать из моей предыдущей статьи: Cетевое взаимодействие посредством TCP в C#
Немного юмора
Во время тестирования инструмента на
Запрос
Command text:
SELECT [Project238].[C4] AS [C1], [Project238].[Name] AS [Name], [Project238].[Name1] AS [Name1], [Project238].[C2] AS [C2], [Project238].[C3] AS [C3], [Project238].[C1] AS [C4] FROM ( SELECT [GroupBy1].[A1] AS [C1], [GroupBy1].[K1] AS [Name], [GroupBy1].[K2] AS [Name1], [GroupBy1].[K3] AS [C2], [GroupBy1].[K4] AS [C3], 1 AS [C4] FROM ( SELECT [Project237].[Name] AS [K1], [Project237].[Name1] AS [K2], [Project237].[C1] AS [K3], [Project237].[C2] AS [K4], COUNT(1) AS [A1] FROM ( SELECT [Extent2].[Name] AS [Name], [Extent3].[Name] AS [Name1], DATEPART (year, [Join3].[C11]) AS [C1], DATEPART (month, [Join3].[C12]) AS [C2] FROM [OccupationHistory] AS [Extent1] INNER JOIN [Division] AS [Extent2] ON [Extent1].[DivisionID] = [Extent2].[Id] INNER JOIN [Position] AS [Extent3] ON [Extent1].[PositionID] = [Extent3].[Id] CROSS JOIN (SELECT [UnionAll59].[C1] AS [C11], [UnionAll118].[C1] AS [C12] FROM (SELECT [UnionAll58].[C1] AS [C1] FROM (SELECT [UnionAll57].[C1] AS [C1] FROM (SELECT [UnionAll56].[C1] AS [C1] FROM (SELECT [UnionAll55].[C1] AS [C1] FROM (SELECT [UnionAll54].[C1] AS [C1] FROM (SELECT [UnionAll53].[C1] AS [C1] FROM (SELECT [UnionAll52].[C1] AS [C1] FROM (SELECT [UnionAll51].[C1] AS [C1] FROM (SELECT [UnionAll50].[C1] AS [C1] FROM (SELECT [UnionAll49].[C1] AS [C1] FROM (SELECT [UnionAll48].[C1] AS [C1] FROM (SELECT [UnionAll47].[C1] AS [C1] FROM (SELECT [UnionAll46].[C1] AS [C1] FROM (SELECT [UnionAll45].[C1] AS [C1] FROM (SELECT [UnionAll44].[C1] AS [C1] FROM (SELECT [UnionAll43].[C1] AS [C1] FROM (SELECT [UnionAll42].[C1] AS [C1] FROM (SELECT [UnionAll41].[C1] AS [C1] FROM (SELECT [UnionAll40].[C1] AS [C1] FROM (SELECT [UnionAll39].[C1] AS [C1] FROM (SELECT [UnionAll38].[C1] AS [C1] FROM (SELECT [UnionAll37].[C1] AS [C1] FROM (SELECT [UnionAll36].[C1] AS [C1] FROM (SELECT [UnionAll35].[C1] AS [C1] FROM (SELECT [UnionAll34].[C1] AS [C1] FROM (SELECT [UnionAll33].[C1] AS [C1] FROM (SELECT [UnionAll32].[C1] AS [C1] FROM (SELECT [UnionAll31].[C1] AS [C1] FROM (SELECT [UnionAll30].[C1] AS [C1] FROM (SELECT [UnionAll29].[C1] AS [C1] FROM (SELECT [UnionAll28].[C1] AS [C1] FROM (SELECT [UnionAll27].[C1] AS [C1] FROM (SELECT [UnionAll26].[C1] AS [C1] FROM (SELECT [UnionAll25].[C1] AS [C1] FROM (SELECT [UnionAll24].[C1] AS [C1] FROM (SELECT [UnionAll23].[C1] AS [C1] FROM (SELECT [UnionAll22].[C1] AS [C1] FROM (SELECT [UnionAll21].[C1] AS [C1] FROM (SELECT [UnionAll20].[C1] AS [C1] FROM (SELECT [UnionAll19].[C1] AS [C1] FROM (SELECT [UnionAll18].[C1] AS [C1] FROM (SELECT [UnionAll17].[C1] AS [C1] FROM (SELECT [UnionAll16].[C1] AS [C1] FROM (SELECT [UnionAll15].[C1] AS [C1] FROM (SELECT [UnionAll14].[C1] AS [C1] FROM (SELECT [UnionAll13].[C1] AS [C1] FROM (SELECT [UnionAll12].[C1] AS [C1] FROM (SELECT [UnionAll11].[C1] AS [C1] FROM (SELECT [UnionAll10].[C1] AS [C1] FROM (SELECT [UnionAll9].[C1] AS [C1] FROM (SELECT [UnionAll8].[C1] AS [C1] FROM (SELECT [UnionAll7].[C1] AS [C1] FROM (SELECT [UnionAll6].[C1] AS [C1] FROM (SELECT [UnionAll5].[C1] AS [C1] FROM (SELECT [UnionAll4].[C1] AS [C1] FROM (SELECT [UnionAll3].[C1] AS [C1] FROM (SELECT [UnionAll2].[C1] AS [C1] FROM (SELECT [UnionAll1].[C1] AS [C1] FROM (SELECT convert(datetime, '2001-01-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable1] UNION ALL SELECT convert(datetime, '2001-02-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable2]) AS [UnionAll1] UNION ALL SELECT convert(datetime, '2001-03-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable3]) AS [UnionAll2] UNION ALL SELECT convert(datetime, '2001-04-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable4]) AS [UnionAll3] UNION ALL SELECT convert(datetime, '2001-05-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable5]) AS [UnionAll4] UNION ALL SELECT convert(datetime, '2001-06-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable6]) AS [UnionAll5] UNION ALL SELECT convert(datetime, '2001-07-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable7]) AS [UnionAll6] UNION ALL SELECT convert(datetime, '2001-08-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable8]) AS [UnionAll7] UNION ALL SELECT convert(datetime, '2001-09-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable9]) AS [UnionAll8] UNION ALL SELECT convert(datetime, '2001-10-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable10]) AS [UnionAll9] UNION ALL SELECT convert(datetime, '2001-11-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable11]) AS [UnionAll10] UNION ALL SELECT convert(datetime, '2001-12-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable12]) AS [UnionAll11] UNION ALL SELECT convert(datetime, '2002-01-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable13]) AS [UnionAll12] UNION ALL SELECT convert(datetime, '2002-02-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable14]) AS [UnionAll13] UNION ALL SELECT convert(datetime, '2002-03-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable15]) AS [UnionAll14] UNION ALL SELECT convert(datetime, '2002-04-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable16]) AS [UnionAll15] UNION ALL SELECT convert(datetime, '2002-05-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable17]) AS [UnionAll16] UNION ALL SELECT convert(datetime, '2002-06-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable18]) AS [UnionAll17] UNION ALL SELECT convert(datetime, '2002-07-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable19]) AS [UnionAll18] UNION ALL SELECT convert(datetime, '2002-08-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable20]) AS [UnionAll19] UNION ALL SELECT convert(datetime, '2002-09-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable21]) AS [UnionAll20] UNION ALL SELECT convert(datetime, '2002-10-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable22]) AS [UnionAll21] UNION ALL SELECT convert(datetime, '2002-11-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable23]) AS [UnionAll22] UNION ALL SELECT convert(datetime, '2002-12-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable24]) AS [UnionAll23] UNION ALL SELECT convert(datetime, '2003-01-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable25]) AS [UnionAll24] UNION ALL SELECT convert(datetime, '2003-02-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable26]) AS [UnionAll25] UNION ALL SELECT convert(datetime, '2003-03-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable27]) AS [UnionAll26] UNION ALL SELECT convert(datetime, '2003-04-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable28]) AS [UnionAll27] UNION ALL SELECT convert(datetime, '2003-05-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable29]) AS [UnionAll28] UNION ALL SELECT convert(datetime, '2003-06-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable30]) AS [UnionAll29] UNION ALL SELECT convert(datetime, '2003-07-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable31]) AS [UnionAll30] UNION ALL SELECT convert(datetime, '2003-08-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable32]) AS [UnionAll31] UNION ALL SELECT convert(datetime, '2003-09-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable33]) AS [UnionAll32] UNION ALL SELECT convert(datetime, '2003-10-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable34]) AS [UnionAll33] UNION ALL SELECT convert(datetime, '2003-11-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable35]) AS [UnionAll34] UNION ALL SELECT convert(datetime, '2003-12-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable36]) AS [UnionAll35] UNION ALL SELECT convert(datetime, '2004-01-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable37]) AS [UnionAll36] UNION ALL SELECT convert(datetime, '2004-02-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable38]) AS [UnionAll37] UNION ALL SELECT convert(datetime, '2004-03-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable39]) AS [UnionAll38] UNION ALL SELECT convert(datetime, '2004-04-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable40]) AS [UnionAll39] UNION ALL SELECT convert(datetime, '2004-05-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable41]) AS [UnionAll40] UNION ALL SELECT convert(datetime, '2004-06-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable42]) AS [UnionAll41] UNION ALL SELECT convert(datetime, '2004-07-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable43]) AS [UnionAll42] UNION ALL SELECT convert(datetime, '2004-08-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable44]) AS [UnionAll43] UNION ALL SELECT convert(datetime, '2004-09-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable45]) AS [UnionAll44] UNION ALL SELECT convert(datetime, '2004-10-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable46]) AS [UnionAll45] UNION ALL SELECT convert(datetime, '2004-11-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable47]) AS [UnionAll46] UNION ALL SELECT convert(datetime, '2004-12-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable48]) AS [UnionAll47] UNION ALL SELECT convert(datetime, '2005-01-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable49]) AS [UnionAll48] UNION ALL SELECT convert(datetime, '2005-02-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable50]) AS [UnionAll49] UNION ALL SELECT convert(datetime, '2005-03-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable51]) AS [UnionAll50] UNION ALL SELECT convert(datetime, '2005-04-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable52]) AS [UnionAll51] UNION ALL SELECT convert(datetime, '2005-05-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable53]) AS [UnionAll52] UNION ALL SELECT convert(datetime, '2005-06-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable54]) AS [UnionAll53] UNION ALL SELECT convert(datetime, '2005-07-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable55]) AS [UnionAll54] UNION ALL SELECT convert(datetime, '2005-08-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable56]) AS [UnionAll55] UNION ALL SELECT convert(datetime, '2005-09-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable57]) AS [UnionAll56] UNION ALL SELECT convert(datetime, '2005-10-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable58]) AS [UnionAll57] UNION ALL SELECT convert(datetime, '2005-11-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable59]) AS [UnionAll58] UNION ALL SELECT convert(datetime, '2005-12-01 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable60]) AS [UnionAll59] INNER JOIN (SELECT [UnionAll117].[C1] AS [C1] FROM (SELECT [UnionAll116].[C1] AS [C1] FROM (SELECT [UnionAll115].[C1] AS [C1] FROM (SELECT [UnionAll114].[C1] AS [C1] FROM (SELECT [UnionAll113].[C1] AS [C1] FROM (SELECT [UnionAll112].[C1] AS [C1] FROM (SELECT [UnionAll111].[C1] AS [C1] FROM (SELECT [UnionAll110].[C1] AS [C1] FROM (SELECT [UnionAll109].[C1] AS [C1] FROM (SELECT [UnionAll108].[C1] AS [C1] FROM (SELECT [UnionAll107].[C1] AS [C1] FROM (SELECT [UnionAll106].[C1] AS [C1] FROM (SELECT [UnionAll105].[C1] AS [C1] FROM (SELECT [UnionAll104].[C1] AS [C1] FROM (SELECT [UnionAll103].[C1] AS [C1] FROM (SELECT [UnionAll102].[C1] AS [C1] FROM (SELECT [UnionAll101].[C1] AS [C1] FROM (SELECT [UnionAll100].[C1] AS [C1] FROM (SELECT [UnionAll99].[C1] AS [C1] FROM (SELECT [UnionAll98].[C1] AS [C1] FROM (SELECT [UnionAll97].[C1] AS [C1] FROM (SELECT [UnionAll96].[C1] AS [C1] FROM (SELECT [UnionAll95].[C1] AS [C1] FROM (SELECT [UnionAll94].[C1] AS [C1] FROM (SELECT [UnionAll93].[C1] AS [C1] FROM (SELECT [UnionAll92].[C1] AS [C1] FROM (SELECT [UnionAll91].[C1] AS [C1] FROM (SELECT [UnionAll90].[C1] AS [C1] FROM (SELECT [UnionAll89].[C1] AS [C1] FROM (SELECT [UnionAll88].[C1] AS [C1] FROM (SELECT [UnionAll87].[C1] AS [C1] FROM (SELECT [UnionAll86].[C1] AS [C1] FROM (SELECT [UnionAll85].[C1] AS [C1] FROM (SELECT [UnionAll84].[C1] AS [C1] FROM (SELECT [UnionAll83].[C1] AS [C1] FROM (SELECT [UnionAll82].[C1] AS [C1] FROM (SELECT [UnionAll81].[C1] AS [C1] FROM (SELECT [UnionAll80].[C1] AS [C1] FROM (SELECT [UnionAll79].[C1] AS [C1] FROM (SELECT [UnionAll78].[C1] AS [C1] FROM (SELECT [UnionAll77].[C1] AS [C1] FROM (SELECT [UnionAll76].[C1] AS [C1] FROM (SELECT [UnionAll75].[C1] AS [C1] FROM (SELECT [UnionAll74].[C1] AS [C1] FROM (SELECT [UnionAll73].[C1] AS [C1] FROM (SELECT [UnionAll72].[C1] AS [C1] FROM (SELECT [UnionAll71].[C1] AS [C1] FROM (SELECT [UnionAll70].[C1] AS [C1] FROM (SELECT [UnionAll69].[C1] AS [C1] FROM (SELECT [UnionAll68].[C1] AS [C1] FROM (SELECT [UnionAll67].[C1] AS [C1] FROM (SELECT [UnionAll66].[C1] AS [C1] FROM (SELECT [UnionAll65].[C1] AS [C1] FROM (SELECT [UnionAll64].[C1] AS [C1] FROM (SELECT [UnionAll63].[C1] AS [C1] FROM (SELECT [UnionAll62].[C1] AS [C1] FROM (SELECT [UnionAll61].[C1] AS [C1] FROM (SELECT [UnionAll60].[C1] AS [C1] FROM (SELECT convert(datetime, '2001-01-31 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable61] UNION ALL SELECT convert(datetime, '2001-02-28 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable62]) AS [UnionAll60] UNION ALL SELECT convert(datetime, '2001-03-31 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable63]) AS [UnionAll61] UNION ALL SELECT convert(datetime, '2001-04-30 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable64]) AS [UnionAll62] UNION ALL SELECT convert(datetime, '2001-05-31 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable65]) AS [UnionAll63] UNION ALL SELECT convert(datetime, '2001-06-30 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable66]) AS [UnionAll64] UNION ALL SELECT convert(datetime, '2001-07-31 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable67]) AS [UnionAll65] UNION ALL SELECT convert(datetime, '2001-08-31 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable68]) AS [UnionAll66] UNION ALL SELECT convert(datetime, '2001-09-30 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable69]) AS [UnionAll67] UNION ALL SELECT convert(datetime, '2001-10-31 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable70]) AS [UnionAll68] UNION ALL SELECT convert(datetime, '2001-11-30 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable71]) AS [UnionAll69] UNION ALL SELECT convert(datetime, '2001-12-31 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable72]) AS [UnionAll70] UNION ALL SELECT convert(datetime, '2002-01-31 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable73]) AS [UnionAll71] UNION ALL SELECT convert(datetime, '2002-02-28 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable74]) AS [UnionAll72] UNION ALL SELECT convert(datetime, '2002-03-31 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable75]) AS [UnionAll73] UNION ALL SELECT convert(datetime, '2002-04-30 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable76]) AS [UnionAll74] UNION ALL SELECT convert(datetime, '2002-05-31 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable77]) AS [UnionAll75] UNION ALL SELECT convert(datetime, '2002-06-30 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable78]) AS [UnionAll76] UNION ALL SELECT convert(datetime, '2002-07-31 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable79]) AS [UnionAll77] UNION ALL SELECT convert(datetime, '2002-08-31 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable80]) AS [UnionAll78] UNION ALL SELECT convert(datetime, '2002-09-30 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable81]) AS [UnionAll79] UNION ALL SELECT convert(datetime, '2002-10-31 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable82]) AS [UnionAll80] UNION ALL SELECT convert(datetime, '2002-11-30 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable83]) AS [UnionAll81] UNION ALL SELECT convert(datetime, '2002-12-31 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable84]) AS [UnionAll82] UNION ALL SELECT convert(datetime, '2003-01-31 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable85]) AS [UnionAll83] UNION ALL SELECT convert(datetime, '2003-02-28 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable86]) AS [UnionAll84] UNION ALL SELECT convert(datetime, '2003-03-31 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable87]) AS [UnionAll85] UNION ALL SELECT convert(datetime, '2003-04-30 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable88]) AS [UnionAll86] UNION ALL SELECT convert(datetime, '2003-05-31 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable89]) AS [UnionAll87] UNION ALL SELECT convert(datetime, '2003-06-30 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable90]) AS [UnionAll88] UNION ALL SELECT convert(datetime, '2003-07-31 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable91]) AS [UnionAll89] UNION ALL SELECT convert(datetime, '2003-08-31 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable92]) AS [UnionAll90] UNION ALL SELECT convert(datetime, '2003-09-30 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable93]) AS [UnionAll91] UNION ALL SELECT convert(datetime, '2003-10-31 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable94]) AS [UnionAll92] UNION ALL SELECT convert(datetime, '2003-11-30 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable95]) AS [UnionAll93] UNION ALL SELECT convert(datetime, '2003-12-31 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable96]) AS [UnionAll94] UNION ALL SELECT convert(datetime, '2004-01-31 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable97]) AS [UnionAll95] UNION ALL SELECT convert(datetime, '2004-02-29 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable98]) AS [UnionAll96] UNION ALL SELECT convert(datetime, '2004-03-31 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable99]) AS [UnionAll97] UNION ALL SELECT convert(datetime, '2004-04-30 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable100]) AS [UnionAll98] UNION ALL SELECT convert(datetime, '2004-05-31 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable101]) AS [UnionAll99] UNION ALL SELECT convert(datetime, '2004-06-30 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable102]) AS [UnionAll100] UNION ALL SELECT convert(datetime, '2004-07-31 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable103]) AS [UnionAll101] UNION ALL SELECT convert(datetime, '2004-08-31 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable104]) AS [UnionAll102] UNION ALL SELECT convert(datetime, '2004-09-30 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable105]) AS [UnionAll103] UNION ALL SELECT convert(datetime, '2004-10-31 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable106]) AS [UnionAll104] UNION ALL SELECT convert(datetime, '2004-11-30 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable107]) AS [UnionAll105] UNION ALL SELECT convert(datetime, '2004-12-31 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable108]) AS [UnionAll106] UNION ALL SELECT convert(datetime, '2005-01-31 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable109]) AS [UnionAll107] UNION ALL SELECT convert(datetime, '2005-02-28 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable110]) AS [UnionAll108] UNION ALL SELECT convert(datetime, '2005-03-31 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable111]) AS [UnionAll109] UNION ALL SELECT convert(datetime, '2005-04-30 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable112]) AS [UnionAll110] UNION ALL SELECT convert(datetime, '2005-05-31 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable113]) AS [UnionAll111] UNION ALL SELECT convert(datetime, '2005-06-30 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable114]) AS [UnionAll112] UNION ALL SELECT convert(datetime, '2005-07-31 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable115]) AS [UnionAll113] UNION ALL SELECT convert(datetime, '2005-08-31 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable116]) AS [UnionAll114] UNION ALL SELECT convert(datetime, '2005-09-30 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable117]) AS [UnionAll115] UNION ALL SELECT convert(datetime, '2005-10-31 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable118]) AS [UnionAll116] UNION ALL SELECT convert(datetime, '2005-11-30 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable119]) AS [UnionAll117] UNION ALL SELECT convert(datetime, '2005-12-31 00:00:00.000', 121) AS [C1] FROM ( SELECT 1 AS X ) AS [SingleRowTable120]) AS [UnionAll118] ON (((DATEPART (year, [UnionAll59].[C1])) = (DATEPART (year, [UnionAll118].[C1]))) OR ((DATEPART (year, [UnionAll59].[C1]) IS NULL) AND (DATEPART (year, [UnionAll118].[C1]) IS NULL))) AND (((DATEPART (month, [UnionAll59].[C1])) = (DATEPART (month, [UnionAll118].[C1]))) OR ((DATEPART (month, [UnionAll59].[C1]) IS NULL) AND (DATEPART (month, [UnionAll118].[C1]) IS NULL))) ) AS [Join3] WHERE ([Extent1].[StartDate] <= [Join3].[C12]) AND ((CASE WHEN ([Extent1].[EndDate] IS NOT NULL) THEN [Extent1].[EndDate] ELSE GetDate() END) >= [Join3].[C11]) ) AS [Project237] GROUP BY [Project237].[Name], [Project237].[Name1], [Project237].[C1], [Project237].[C2] ) AS [GroupBy1] ) AS [Project238] ORDER BY [Project238].[C2] ASC, [Project238].[C3] ASC, [Project238].[Name] ASC, [Project238].[Name1] ASC; Method Name:GetEmployeesCount; Class Name:CompanyEmployees.Data.ReportBuilder; Elapsed Miliseconds:336
Послесловие
Уверен, багов еще много, но я постараюсь все ошибки исправлять максимально быстро. Так же, я хочу спросить совета у уважаемого хабра сообщества как поступить с этим профайлером, так с одной стороны хочется сделать бесплатный продукт, но в то же время и немного заработать. В настоящее время, я думаю о том чтобы сделать профайлер полностью бесплатным для личного использования и платным для компаний, но опять же по минимальной цене баксов в 20-30. Ну или просто оставить бесплатным с кнопочкой Donate.
Всем спасибо за внимание. Надеюсь этот инструмент будет полезен.
PS: По всем вопросам, баг-репортам и прочее можете писать на почту: developer@ef-logger.com или st.glushak@gmail.com.
Nuget пакет для EF6: https://www.nuget.org/packages/EFlogger-For6/
Nuget пакет для EF4 — 5: https://www.nuget.org/packages/EFlogger-For4/
Updated: Добавил опрос:
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Что делать дальше с профайлером?
64.48% Выложить в Open Source187
36.55% Оставить бесплатным, но с донатом106
28.28% Платный только для компаний со стоимостью 20-30 usd82
7.59% Инструмент не нужен22
Проголосовали 290 пользователей. Воздержались 115 пользователей.